//
//  FindeDetailViewController.m
//  fitnessmanage
//
//  Created by wujian on 2018/1/7.
//  Copyright © 2018年 zongquankeji. All rights reserved.
//

#import "FindeDetailViewController.h"
#import <WebKit/WebKit.h>


@interface FindeDetailViewController ()<WKNavigationDelegate,WKUIDelegate>

@property (nonatomic, strong) WKWebView *wkWebView;

@property (nonatomic, strong) UIProgressView *progressView;

@end

@implementation FindeDetailViewController

- (void)viewDidLoad {
    
    [super viewDidLoad];

    self.automaticallyAdjustsScrollViewInsets = false;
    
    self.title = @"详情";

//    WKWebViewConfiguration *config=[[WKWebViewConfiguration alloc]init];
//
//    config.processPool=[[WKProcessPool alloc]init];
//
//    config.userContentController=[[WKUserContentController alloc]init];
//
//    WKWebView *webview = [[WKWebView alloc]initWithFrame:self.view.frame configuration:config];
//
//    [webview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:self.content]]];
//
//    [self.view addSubview:webview];
//
//    self.wkWebView = webview;
    
    
    UIWebView *webView = [[UIWebView alloc] init];

    [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:self.content]]];

    [self.view addSubview:webView];

    [webView mas_remakeConstraints:^(MASConstraintMaker *make) {

        make.edges.mas_equalTo(self.view);
    }];
    
//    //进度条初始化
//    self.progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width, 2)];
//
//    self.progressView.backgroundColor = [UIColor blueColor];
//
//    //设置进度条的高度，下面这句代码表示进度条的宽度变为原来的1倍，高度变为原来的1.5倍.
//    self.progressView.transform = CGAffineTransformMakeScale(1.0f, 1.5f);
//
//    [self.view addSubview:self.progressView];
//
//    [self.wkWebView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:nil];
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context {
    if ([keyPath isEqualToString:@"estimatedProgress"]) {
        self.progressView.progress = self.wkWebView.estimatedProgress;
        if (self.progressView.progress == 1) {
            /*
             *添加一个简单的动画，将progressView的Height变为1.4倍，在开始加载网页的代理中会恢复为1.5倍
             *动画时长0.25s，延时0.3s后开始动画
             *动画结束后将progressView隐藏
             */
            __weak typeof (self)weakSelf = self;
            [UIView animateWithDuration:0.25f delay:0.3f options:UIViewAnimationOptionCurveEaseOut animations:^{
                weakSelf.progressView.transform = CGAffineTransformMakeScale(1.0f, 1.4f);
            } completion:^(BOOL finished) {
                weakSelf.progressView.hidden = YES;
                
            }];
        }
    }else{
        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
    }
}


- (void)webView:(WKWebView *)webView didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler{
    
    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
        
        NSURLCredential *card = [[NSURLCredential alloc]initWithTrust:challenge.protectionSpace.serverTrust];
        
        completionHandler(NSURLSessionAuthChallengeUseCredential,card);
        
    }
}

//开始加载
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
    NSLog(@"开始加载网页");
    //开始加载网页时展示出progressView
    self.progressView.hidden = NO;
    //开始加载网页的时候将progressView的Height恢复为1.5倍
    self.progressView.transform = CGAffineTransformMakeScale(1.0f, 1.5f);
    //防止progressView被网页挡住
    //[self.view bringSubviewToFront:self.progressView];
}

//加载完成
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
    NSLog(@"加载完成");
    //加载完成后隐藏progressView
    //self.progressView.hidden = YES;
}

//加载失败
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error {
    NSLog(@"加载失败");
    //加载失败同样需要隐藏progressView
    //self.progressView.hidden = YES;
}


- (void)dealloc {
    
    //[self.wkWebView removeObserver:self forKeyPath:@"estimatedProgress"];
}

@end
